Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

December 5, 2021Barren County, Kentucky

NWS Louisville, KY issued this special weather statement at Dec 5, 2021, 6:42 PM CST for Barren County, Kentucky. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Dec 5, 2021, 6:42 PM CST (00:42 UTC)
Expired: Dec 5, 2021, 7:00 PM CST
In force: 18 min
Issued by: NWS Louisville, KY
Hail: 0.00 in
Wind: 40

County Barren County, KY

The radar

The Louisville radar (KLVX), 100 km from the middle of the area, began a volume at 00:43 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.7 hours before the alert went out and 127 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 666 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 658 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 346 m²/s²
0-3 km storm-relative helicity: 484 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

As transmitted.

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this special weather statement went out at Dec 5, 5:14 PM CST, 1 hour 28 minutes earlier.

Area forecast discussion, Dec 5, 5:14 PM CST, 1 hour 28 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Dec 5, 2:35 PM CST, 4 hours 7 minutes before

Hazardous Weather Outlook
National Weather Service Louisville KY
335 PM EST Sun Dec 5 2021

INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-062045-
Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison-
Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt-
Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson-Woodford-
Fayette-Bourbon-Nicholas-Nelson-Mercer-Jessamine-Larue-Marion-Boyle-
Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-Lincoln-
Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-Russell-
Cumberland-Clinton-
Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper,
English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport,
Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield,
Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford,
Milton, New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana,
Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle,
Bardstown, Springfield, Harrodsburg, Nicholasville, Winchester,
Hodgenville, Lebanon, Danville, Lancaster, Richmond, Morgantown,
Brownsville, Horse Cave, Greensburg, Campbellsville, Liberty,
Stanford, Russellville, Bowling Green, Franklin, Providence,
Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown,
Burkesville, and Albany
335 PM EST Sun Dec 5 2021 /235 PM CST Sun Dec 5 2021/

This hazardous weather outlook is for portions of south central
Indiana and Central Kentucky.

.DAY ONE...Tonight.

Widespread showers and storms are expected tonight ahead of a cold
front. Some of the storms could become strong to severe with
localized damaging winds being the main threat. Brief tornadoes can
also not be ruled out. The main severe weather risk is between
Midnight and 7 AM EST Monday. Outside of showers and storms, gusty
winds between 30 and 40 mph will be possible at times this evening.

Overall, 1 to 2 inches of rain is expected through Monday morning
with a few localized amounts over 2 inches possible. While flooding
is not a major concern, a few nuisance water issues could arise.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is potential for minor snow accumulation late Tuesday night
into Wednesday morning. Confidence remains low in amounts and
potential impact.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed to report instances of heavy rain or gusty
winds overnight into Monday.

EBW/13

In the hours before

Special weather statement, Dec 5, 6:42 PM CST, 0 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 5, 6:45 PM CST	Special Weather Statement	LMK	Edmonson	15 min
Dec 5, 7:16 PM CST	Special Weather Statement	LMK	Hart	29 min
Dec 5, 7:57 PM CST	Special Weather Statement	LMK	Green	33 min
Dec 5, 8:30 PM CST	Special Weather Statement	LMK	Green, Taylor	30 min
Dec 5, 9:26 PM CST	Special Weather Statement	LMK	Butler, Grayson	34 min
Dec 5, 10:06 PM CST	Special Weather Statement	LMK	Edmonson, Grayson, Hart, Larue	54 min
Dec 6, 12:04 AM CST	Severe Thunderstorm Warning	LMK	Boyle, Marion	26 min
Dec 6, 12:36 AM CST	Severe Thunderstorm Warning	LMK	Boyle, Garrard	24 min
Dec 6, 1:02 AM CST	Special Weather Statement	LMK	Hancock	28 min
Dec 6, 2:30 AM CST	Special Weather Statement	LMK	Henry, Shelby	30 min
Dec 6, 3:18 AM CST	Special Weather Statement	LMK	Fayette, Scott, Woodford	27 min
Dec 6, 3:27 AM CST	Special Weather Statement	LMK	Hart, Larue	33 min
Dec 6, 3:48 AM CST	Special Weather Statement	LMK	Bourbon, Clark, Fayette, Nicholas	42 min
Dec 6, 3:59 AM CST	Special Weather Statement	LMK	Marion	31 min
Dec 6, 4:13 AM CST	Special Weather Statement	LMK	Jessamine, Mercer	32 min
Dec 6, 4:43 AM CST	Tornado Warning	LMK	Logan	17 min
Dec 6, 4:47 AM CST	Tornado Warning	LMK	Logan	28 min
Dec 6, 5:04 AM CST	Special Weather Statement	LMK	Simpson	26 min
Dec 6, 5:15 AM CST	Special Weather Statement	LMK	Warren	30 min
Dec 6, 6:21 AM CST	Special Weather Statement	LMK	Cumberland	24 min
Dec 6, 6:23 AM CST	Special Weather Statement	LMK	Clinton	37 min
Dec 6, 6:46 AM CST	Special Weather Statement	LMK	Clinton	14 min
Dec 6, 7:42 AM CST	Areal Flood Advisory	LMK	Taylor	3 hr
Dec 6, 9:36 AM CST	Areal Flood Advisory	LMK	Boyle, Garrard, Marion	3 hr
Dec 6, 10:54 AM CST	River Flood Warning	LMK	Bourbon	23 hr
Dec 6, 12:11 PM CST	River Flood Advisory	LMK	Franklin	32 hr

Nearby

Special Weather Statements in Kentucky, 2021 Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.